kill autocomplete is not useful

[Gorthog]

In bash when i hit tab after 'kill' i get the following output:

When using fish I get this output:

This is not useful because I can only search by pid, and not by program name.

if i run
set FZF_COMPLETE 0

I get this:

Slightly better since I can search by program name, but often what I really need is the args (for example, finding specific node program), which is what I get in bash.

[justinlovinger]

I think this is related to #152.